Message7277

One issue is that you do not have __builtins__
this also causes issues with other projects, e.g.:
https://code.djangoproject.com/ticket/5317

here is the current crashlog (after adjusting posixpath to accept None):

>>> import pylint.lint                            
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/***/jython2.7a2/Lib/site-packages/pylint/lint.py", line 31, in <module>
    from pylint.checkers import utils
  File "/home/***/jython2.7a2/Lib/site-packages/pylint/checkers/utils.py", line 97, in <module>
    builtins =  __builtins__.copy()
NameError: name '__builtins__' is not defined